tool-list.rb

begin
  require "nokogiri"
rescue LoadError
  abort "Nokogiri not found. Oh, you may need to 'gem install nokogiri'. Quitting."
end

url = ARGV[0]

body =
  if File.exists?("/tmp/body")
    File.read("/tmp/body")
  else
    require 'net/http'
    body = Net::HTTP.get(URI(url))
    File.write("/tmp/body", body)
    body
  end

SEEN = {}

doc = Nokogiri.HTML5(body)
doc.css("pre a[href]").each { |a|
  image_url = a.attr("href")
  next if SEEN[image_url]

  image = "<p><b>#{image_url.split("/").last}</b><br><a href=#{image_url}><img src=#{image_url} width=800></a></p>"
  a.add_previous_sibling(image)
  SEEN[image_url] = true
}

puts doc.to_s